SAM

Basic installation instructions.

0. Pre-requisites: fftw, fftw-devel, afni

1. cd into the "config" directory and review the settings in
Makefile.config, also check Makefile.site.EXAMPLE; lines in that
file can be put into a file called Makefile.site which will not
be overwritten by a new version.

2. at the top level, run "make"
